<script type="module">
	{
		document.write`123<br><br>`;
			
		let a = 10;
		let b = 5;
		
		var tag = (a,b,c) => {
			document.write`${a}<br><br>`;
			document.write`${b}<br><br>`;
			document.write`${c}<br><br>`;
			return 'ok';
		}
		
		tag`hello ${a+b} world ${a*b}`;
	}
</script>